Halo akan saya coba jawab.
g(x) = 2x cos (2x - π/4)
misalkan
u = 2x
u' = 2
v = cos (2x - π/4)
v' = -2 sin (2x - π/4)
maka
g'(x) = u'v + v'u
g'(x) = 2 cos (2x - π/4) - 4x sin (2x - π/4)
Halo akan saya coba jawab.
g(x) = 2x cos (2x - π/4)
misalkan
u = 2x
u' = 2
v = cos (2x - π/4)
v' = -2 sin (2x - π/4)
maka
g'(x) = u'v + v'u
g'(x) = 2 cos (2x - π/4) - 4x sin (2x - π/4)
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